Year	Number of Firms
1992-01-01	141
1997-01-01	225
2002-01-01	244
2003-01-01	263
2004-01-01	273
2005-01-01	307
2006-01-01	317
2007-01-01	324
2008-01-01	363
2009-01-01	306
2010-01-01	332
2011-01-01	349
2012-01-01	325
2013-01-01	275
2014-01-01	285
2015-01-01	241
2016-01-01	235